package com.tan.config;

import at.pollux.thymeleaf.shiro.dialect.ShiroDialect;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.LinkedHashMap;
import java.util.Map;

@Configuration
public class ShiroConfig {
    //ShiroFilterFactoryBean
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("securityManager") DefaultWebSecurityManager defaultWebSecurityManager)
    {
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        //设置安全管理器
        bean.setSecurityManager(defaultWebSecurityManager);


        //添加shiro的内置过滤器
        /*
        anon: 无需认证就可以访问
        authc: 必须认证才能访问
        user: 必须拥有 记住我 功能才能用
        perms: 拥有对某个资源的权限才能访问
        role: 拥有某个角色权限才能访问
         */
        Map<String,String> filterMap = new LinkedHashMap<>();
        //授权，正常情况下，没有授权，会跳到未授权页面
        filterMap.put("/add","perms[user:add]");
        filterMap.put("/update","perms[user:update]");
//        filterMap.put("/*","authc");//支持通配符
        bean.setFilterChainDefinitionMap(filterMap);


        //设置登录的请求
        bean.setLoginUrl("/toLogin");

        //设置未授权的页面
        bean.setUnauthorizedUrl("/noauth");
        return bean;
    }
    //DafaultWebSecurityManager
    @Bean(name="securityManager")
    public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm)
    {
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        //关联UserRealm
        securityManager.setRealm(userRealm);
        return securityManager;
    }

    //创建realm对象,需自定义类
    @Bean
    public UserRealm userRealm()
    {
        return new UserRealm();
    }

    //整合ShiroDialect: 用来整合shiro thymleaf
    @Bean
    public ShiroDialect getShiroDialect()
    {
        return new ShiroDialect();
    }

}
